Was wanting to know a few things about 10 boxing. I'm going to RAF it all.

what to choose, I was thinking of
10 Locks..... would be fun for instant dots and pets. (Good PVP? ok PVE?)
8 Shams,1Pal,1Priest..... totems,healz, (Good PVE & PVP?)
10 Mage's...... Clones = 50 Mage's (lol)..... AOEs and I don't know what else.

Game Masters - I know Multi-Boxing is well known now, but would a 10 boxer be more at risk then a 5 boxer?

Dungeons - What is the best way to take 10 toons and level them all equally?... I'm assuming just quests as 2 seperate groups?

any thoughts suggestions opinions or ideas would be appreciated.